Across
- 3. scale scale a scale from 0 to 14 reflecting the concentration of hydrogen ions in solution
- 6. compound that produces hydrogen ions in solution
- 8. small unit that can form together with other small units to create a polymer
- 9. particles with no charge
- 10. energy energy needed to get a reaction started
- 12. positively charged particles
- 13. negatively charged particle; located outside the atomic nucleus
- 15. compound that forms hydrogen ions in solution
- 17. atom or group of atoms that has acquired a positive or negative charge as a result of gaining or losing electrons
- 18. substance made up of only one kind of atom
- 19. atoms of the same element that contain different number of neutrons
Down
- 1. mixture of water and non-dissolved materials
- 2. element or compound produced by a chemical reaction
- 4. smallest unit of most compounds
- 5. bond bond formed by the sharing of electrons between atoms
- 7. large compound formed from combinations from many monomers
- 11. attraction between molecules of the same substance
- 14. substance that speeds up the rate of a chemical reaction element/substance made up of only one kind of atom
- 16. basic unit of matter
- 20. protein that acts as a biological catalyst